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ROUTINE MAINTENANCE EML
If the EML 224 sensor begins to underestimate the vessels speed, there may
be growth forming on the pins. These pins are made of a resistant, anti-rust
metal. If the unit is powered off, or the vessel is stationary for longer periods of
time (particularly in warm water), the growth may occur. This can be carefully
removed by lifting the sensor if a valve is installed, or by divers or in dock.
The pins must have electrical contact with the sea water, and MUST NOT be
painted. The system may be unstable for up to 6 hours after the pins have been
cleaned while a new oxide coat forms. The pins of the EML sensor should be
typically cleaned every 6-18 months depending on conditions.
ROUTINE MAINTENANCE DL1
The DL1 Doppler system requires virtually no maintenance except cleaning
when docked, and occasional greasing / testing of the moving parts of the valve.
CHECKING YOUR VERSION
If the info screen is activated on the run screens, the system type and software
version can be read from there. Otherwise the same screen can be obtained in
the diagnostics menu. The system type will be one of the following:
CD E1 EML 124 compact display 1 axis
CD E2 EML 224 compact display 2 axis
CD EB EML 124/224 compact display ”Reversible” mode
CD LR Log repeater compact display
CD MR Multi repeater compact display
CD MB Multi repeater compact display ”Backwards” mode
CD D1 Doppler Compact display 1 axis
The system will be locked to one of these setups, but can be changed to one
of the other systems (with an additional cost) using a code (see ”Appendix 5”
on page 58).
SOFTWARE UPGRADE
The system is undergoing continuously improvement, and periodically new
software will be released. These can be found at the download area of the
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